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[lwip-devel] [bug #36167] tcp server crash when client closes (maximum w
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From: |
Joan Lledó |
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Subject: |
[lwip-devel] [bug #36167] tcp server crash when client closes (maximum window) |
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Date: |
Mon, 30 Oct 2017 11:20:04 -0400 (EDT) |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Firefox/52.0 |
Follow-up Comment #13, bug #36167 (project lwip):
Sorry I wasn't clear enough. Line #118 in socket.t, the perl script I
attached.
> Did you mean window is empty? pcb->rcv_wnd tracks the remaining available
receive window. The only way it could overflow is if it was empty at 0xFFFF.
You're probably right, I haven't studied the code in depth. I can assure that
line #118 in socket.t produces the crash and I've checked with gdb that the
code reaches the LWIP_ASSERT in tcp.c #928 with pcb->state == TIME_WAIT.
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